#define _CRT_SECOURE_WARNINGS
#include<stdio.h>
#include<stdbool.h>
#include<ctype.h>
// int main()
// {
//     int age = 0;
//     int college = 0;
//     int subject = 0;
//     _Bool interview = false;

//     printf("请输入您所毕业的大学: 1.哈佛, 2.耶鲁, 3.其他。");
//     scanf("%d",&college);
//     printf("\n请输入您的专业: 1.化学, 2.经济学, 3.其他。");
//     scanf("%d",&subject);
//     printf("\n请输入您的年龄:");
//     scanf("%d",&age);

//     if(( age > 25 && subject == 1) && ( college == 1 || college == 3))
//     interview = true;
//     if(college == 2 && subject == 1)
//     interview = true;
//     if(age <=28 && (college == 1 && subject == 2))
//     interview = true;
//    if(age > 25 &&(subject == 2 || subject == 3) && college == 2 )
//     interview = true;

//     if(interview)
//     printf("\n可以来面试\n");
//     else
//     printf("\n拒绝\n");

//      return 0;
// }
//1)age>25;化学；非耶鲁  2）化学;耶鲁 3）age<28;经济；哈佛 4）age>25;非化学；耶鲁
// int main()
// {
//     int age = 0;
//     int college = 0;
//     int subject = 0;
//     _Bool interview = false;

//     printf("请输入您毕业的大学: 1.哈佛 2.耶鲁 3.其他");
//     scanf("%d",&college);
//     printf("请输入您的专业: 1.化学 2.经济 3.其他");
//     scanf("%d",&subject);
//     printf("请输入您的年龄:");
//     scanf("%d",&age);

//     interview = (age > 25 && subject == 1 && college !=2)||
//                 (college == 2 && subject == 1)||
//                 (college == 1 && age <28 && subject == 2)||
//                 (college == 2 && age >25 && subject != 1);
//     if(interview)
//     printf("可以来面试1\n");
//     else
//     printf("对不起,您所拨打的用户已关机\n");

//     return 0;
//}

// int main()
// {
//     enum Weekday {Monday,Tuesday,wednesday};
//     enum Weekday today = wednesday;

//     switch(today)
// {
//      case Monday:
//           printf("\nToday is Monday.\n");
//           break;    
//      case Tuesday:
//           printf("\nToday is Tuesday.\n");
//           break;
//      case wednesday: 
//           printf("\nToday is wednesday.\n");
//           break;
// }

//     return 0;
//}

int main()
{
    enum Weekday {Monday,Tuesday,Wednesday};
    enum Weekday today = Wednesday;
    
    if(today == Monday)
    printf("Today is Monday.");
    else if(today == Tuesday)
    printf("Today is Tuesday.");
    else if(today == Wednesday)
    printf("Today is Wednesday.");

    return 0;
}






